The River Mountains Trail Partnership Records date from 1995 to 2015 and document the planning and construction of the River Mountains Loop Trail in Clark County, Nevada. The collection contains meeting agendas and minutes, correspondence, project notes, trail maps, land surveys, grant applications, photographic slides of the trail and Lake Mead, environmental assessments, ephemera from National Trails Day, trail guides, interpretive plans, and development reports.

The Karl Carsony Papers (1918-2011) are comprised of photographs, newspaper clippings, ephemera, and artifacts representing Karl (Schrom) Carsony's acrobatic career and personal life. The bulk of the materials in this collection date from approximately the early 1950s through the late 1970s. The materials also include vacation photographs of Karl (Schrom) Carsony and his wife, Margot Meyers. The materials also include promotional photographs, posters, and fliers for the Carsony Brothers, which was an acrobatic show consisting of Karl Carsony and his twin brothers, Joe and Bert Schrom.

The Joe Williams Music Scores date from 1940 to 1991 and comprise the handwritten musical scores of American jazz musician Joe Williams, born Joseph Goreed. Many of the musical scores are Williams' original arrangements.

The Myram Borders Papers (1965-1998) contain articles written by Borders, newspaper clippings, court transcripts, photographs, slides, agendas, meeting minutes, and a copy of the joint operating agreement between the Las Vegas Review Journal and the Las Vegas Sun. Also included are media kits for the Desert Inn Hotel and Casino and the Stealth Fighter Public Debut, an annual report to Sheriff John Moran concerning organized crime, and a copy of the MGM fire litigation.

The Jon E. Cobain Papers (1963-2009) contains material representing Cobain's experience as the first official graduate of Nevada Southern University (later University of Nevada, Las Vegas) in 1964. Materials include photographs of Cobain and his family, a scrapbook from his 1964 graduation day, newsletters, a copy of Beau's Bits Handbook, personal correspondence, and his diploma. This collection is comprised exclusively of digital surrogates.

The Stella Champo Iaconis Papers consist of a certificate for proficiency in Rapid Legible Business Writing from the Palmer Method of Business Writing given on May 11, 1927; a certificate of promotion to high school in Clark County, Nevada dated May 25, 1927; and an autograph book signed by classmates at Las Vegas High School in Las Vegas, Nevada in 1928.

The Thomas R. Schiff Panoramic Photographs (2001-2009) are comprised of physical and digital panoramic photographs of hotel casinos and other locations around Las Vegas, Nevada used in his book, Vegas 360°. The collection includes photographs of local businesses, casinos around downtown Las Vegas, and the Las Vegas Strip including the Aladdin Hotel and Casino, Bally's Las Vegas, Caesars Palace, Fremont Street, and New York-New York Hotel & Casino. Photographs are available as both digital files and physical prints.